Bug fixes

* fix AttributeError in sync instrumentation of httpx (elastic#1423)
* add setting to disable span compression, default to disabled (elastic#1429)

Bugfixes

 * fix an issue with Sanic exception tracking (elastic#1414)
 * asyncpg: Limit SQL queries in context data to 10000 characters (elastic#1416)

Features

 * Add support for Sanic framework (elastic#1390)

Bugfixes

 * fix compatibility issues with httpx 0.21 (elastic#1403)
 * fix span_compression_exact_match_max_duration default value (elastic#1407)

Bug fixes

 * fix an issue with `metrics_sets` configuration referencing the `TransactionMetricSet` removed in 6.6.2 (elastic#1397)

v6.6.2

===== Bug fixes

* Fix an issue where compressed spans would count against `transaction_max_spans` [elastic#1377]
* Make sure HTTP connections are not re-used after a process fork [elastic#1374]
* Fix an issue with psycopg2 instrumentation when multiple hosts are defined [elastic#1386]
* Update the `User-Agent` header to the new https://github.com/elastic/apm/pull/514[spec] [elastic#1378]
* Improve status_code handling in AWS Lambda integration [elastic#1382]
* Fix `aiohttp` exception handling to allow for non-500 responses including `HTTPOk` [elastic#1384]
* Force transaction names to strings [elastic#1389]

===== Other

* Remove unused `http.request.socket.encrypted` context field [elastic#1332]
* Remove unused transaction metrics (APM Server handles these metrics instead) [elastic#1388]

v6.6.1

===== Bug fixes

* Fix some context fields and metadata handling in AWS Lambda support [elastic#1368]

v6.6.0

=== Features

* Add experimental support for AWS lambda instrumentation [elastic#1193]
* Add support for span compression [elastic#1321]
* Auto-infer destination resources for easier instrumentation of new resources [elastic#1359]
* Add support for dropped span statistics [elastic#1327]

=== Bug fixes

* Ensure that Prometheus histograms are encoded correctly for APM Server [elastic#1354]
* Remove problematic (and duplicate) `event.dataset` from logging integrations [elastic#1365]
* Fix for memcache instrumentation when configured with a unix socket [elastic#1357]

v6.5.0

===== Features

* Add instrumentation for Azure Storage (blob/table/fileshare) and Azure Queue {pull}1316[elastic#1316]

===== Bug fixes

* Improve span coverage for `asyncpg` {pull}1328[elastic#1328]
* aiohttp: Correctly pass custom client to tracing middleware {pull}1345[elastic#1345]
* Fixed an issue with httpx instrumentation {pull}1337[elastic#1337]
* Fixed an issue with Django 4.0 removing a private method {pull}1347[elastic#1347]

6.4.0 - 2021-08-31

Features

* Rename the experimental `log_ecs_formatting` config to `log_ecs_reformatting` elastic#1300
* Add support for Prometheus histograms elastic#1165

Bug fixes

* Fixed cookie sanitization when Cookie is capitalized elastic#1301
* Fix a bug with exception capturing for bad UUIDs elastic#1304
* Fix potential errors in json serialization elastic#1203
* Fix an issue with certain aioredis commands elastic#1308

Bug fixes

* ensure that the elasticsearch instrumentation handles DroppedSpans correctly (elastic#1190)